Home / 13,895.08-19,175.22-7,521.66

Finding the Fourth Proportional to 13,895.08, 19,175.22 and 7,521.66

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Solution

The fourth proportional to 13,895.08, 19,175.22 and 7,521.66 is: 10,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,895.08 : 19,175.22 = 7,521.66 : x
  2. Step 2: Convert to fraction form
    13,895.08/19,175.22 = 7,521.66/x
  3. Step 3: Cross multiply
    13,895.08x = 19,175.22 × 7,521.66
  4. Step 4: Simplify right side
    13,895.08x = 144,229,485.27
  5. Step 5: Solve for x
    x = 144,229,485.27/13,895.08
  6. Step 6: Final answer
    x = 10,379.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.